What Plants Grow Well In 80503?
The USDA hardiness zone is 6a in the 80503 zip code. This zone is a measure of the lowest temperature that a plant can survive, and helps determine what plants would grow best in the area's climate. Below you'll find a list of the best plants for 80503's climate based on this hardiness zone.
Learn more about climate conditions on our page for Longmont's plant hardiness zone.
You can also look up the USDA growing zone for 80503 directly to see the temperature data behind these planting recommendations.

Metal Seed Storage Box

Heron with Prey Bronze Statue

Smart Hydroponic Growing System

Metal Arbor Trellis

Are You Pooping? Sign
Trees for 80503
Fruits for 80503
Flowers for 80503
Vegetables for 80503

Planting Advice for 80503
Have questions about planting in 80503's climate? Check out our FAQ below for answers to common questions about growing plants in the area.
Zip code 80503 is in USDA hardiness zone 6a, which means plants there can survive temperatures as low as -10 to -5°F each year.
Best Time to Plant in Longmont
Check the growing calendar for Longmont at the Old Farmer's Almanac to see the best planting times for the region.

Heron with Prey Bronze Statue

Fiskars Garden Harvest Basket

Life Is Better w/ Chickens Sign

Wooden Chicken Coop

Metal Arbor Trellis
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Other Towns in Colorado
We have plant recommendations for most towns in Colorado. Select a town from the list below to find the best plants for your area based on the latest climate information.
Best Plants By State
Colorado not the right state? We have plant recommendations for every state, town and zip code in the United States. Choose a state from the list below to find the best plants for your area.
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